﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Dynamic;

namespace com.sharepointutils.application.Collections
{
    public class DynamicDictionary : DynamicObject
    {
        // The inner dictionary.
        Dictionary<string, object> dictionary
            = new Dictionary<string, object>();

        // This property returns the number of elements 
        // in the inner dictionary. 
        public int Count
        {
            get
            {
                return dictionary.Count;
            }
        }


        public object this[String key]
        {
            get
            {
                return dictionary[key];
            }
            set
            {
                dictionary[key.ToLower()] = value;
            }
        }

        // If you try to get a value of a property  
        // not defined in the class, this method is called. 
        public override bool TryGetMember(
            GetMemberBinder binder, out object result)
        {
            // Converting the property name to lowercase 
            // so that property names become case-insensitive. 
            string name = binder.Name.ToLower();

            // If the property name is found in a dictionary, 
            // set the result parameter to the property value and return true. 
            // Otherwise, return false. 
            return dictionary.TryGetValue(name, out result);
        }

        // If you try to set a value of a property that is 
        // not defined in the class, this method is called. 
        public override bool TrySetMember(
            SetMemberBinder binder, object value)
        {
            // Converting the property name to lowercase 
            // so that property names become case-insensitive.
            dictionary[binder.Name.ToLower()] = value;

            // You can always add a value to a dictionary, 
            // so this method always returns true. 
            return true;
        }
    }
}
